Energy and Sustainability
What is renewable energy?
Energy that can naturally replenish
Name one way humans waste water.
Long showers, leaks, pollution, etc.
What does "biodegradable" mean?
Can break down naturally
What is sustainability?
Meeting our needs without using too many resources
What did my granny get hit by?
A bazooka
Name one nonrenewable energy source used in Guatemala
Hydro, geothermal, solar
Why can't we drink ocean water?
It's saltwater
When is the science fair?
Friday, June 5th!!!!
How does science help with sustainability?
By testing ideas and new solutions with the scientific method
What is a reflection?
Light bouncing off a surface
Why are batteries important in energy systems?
They store energy for later use
Spell Mr. Charlie's last name on the board.
McCormick
True or false: plastic decomposes instantly.
False (it can stay in the environment for hundreds or thousands of years!)
What is a hypothesis?
An educated guess answering a scientific question
Refraction
Explain why no energy source is perfect.
Each has a tradeoff
Name one way humans conserve water.
Taking shorter showers, collecting rainwater, eating less meat, etc.
What is recycling?
Turning old materials into new materials
What is ONE thing you remember from the first two quarters lol
Please say something
True or false: waves carry energy, not matter.
True
Who will win the NBA championship?
Rip Lakers :(
True or false: humans need water to survive.
True
What's a tradeoff of burning trash?
Frees up space but pollutes the atmosphere
Name the independent and dependent variables in your science fair experiment.
(What you change and what you measure)
Is sound a transverse or longitudinal wave?
Longitudinal